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bigger wheel/rim = lower acceleration?

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Old Mar 14, 2004
  #31  
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ok, that's the rotors...

how about the pad? how about AEM's pad too?
hm, i saw no information on the website..

anyway, i read that drilled rotors are no good...why?

which one is good? a full cast metal rotors?

i saw like those which got....not just holes...but....well, they call it "ventilated brakes"
is that good one?
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Old Mar 14, 2004
  #32  
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AEM/nissin pads are Ceramic Kevlar I believe. The pads/shoes I use are from Porterfield (R4-S compound) and they are Carbon Kevlar. The Ceramic Kevlar will have decent bite, and heat resistance plus low dust (and its light grey so it doesnt show up much) The Carbon Kevlar pads.... are more tuned for Racing/Heavy Street use. They have Good Bite and are stable to 1100 Deg F... Brake dust is minimal unless you push them (like your supose to).

You want a Vented rotor, Blank or slotted would work.

Good article on Rotors
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Old Mar 14, 2004
  #33  
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Rotor Venting...
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Old Mar 15, 2004
  #34  
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thanx a lot guys, now i understand..

i'll probably get a ceramic pad....with a normal rotor...something other than honda's i presume...

but that still a long time for now..
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Old Mar 26, 2004
  #35  
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just as an update to this when i put on my 17 subzeros the acceleration didnt seem to be as there as it was with the stock wheels, but my car feels much more stable, and responsive, so it was worth it,but also i topped out at 114 once which before ive reached i thought like 126 so i dont know if that has something to do with it
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Old Mar 26, 2004
  #36  
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saw on a tuner show that they dyno'd a RSX-S for base numbers..then proceeded with mods....they added big brakes and then did exhaust. they dyno'd it after the install and found they had lost power (7hp). thinking it was cause the exhaust was hurting performance somehow they went back to stock and dyno'd again and that showed a 12hp loss from the original run. so the exhaust was actually helping them to not loose 5 hp.
turns out what did it was the bigger breaks which weighed the same as stock were causing the loss because the mass was farther from center of the wheel.
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Old Mar 26, 2004
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now im glad i havent bought rims yet
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Old Mar 26, 2004
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damn just means more engine mods to compensate, i didnt really think about that on the big brakes but makes sense
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Old Mar 26, 2004
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mine do look nice i think and i like how wide they are but not sure if it is worth the loss in speed
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Old Mar 26, 2004
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Originally posted by Zzyzx
technically we can fit 14s, but the reason boilermaker and me run 15 is that there arn't any good tires in 14s that we can use in our class of racing (Solo2 STS) Hoosier makes some nice wide 14s but they are not legal for our class.
what bout 195/60/14 Azenis? not legal in your class?
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Old Mar 26, 2004
  #41  
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i know ive heard they dont run 14s cause they would rather have the wider tire that is why they stick to15s
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Old Mar 26, 2004
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Originally posted by Zzyzx
So go find your self some light weight 15X7s and be happy in the knowlage that your car is actually set up for performance rather then show...
Work Emotions (not the CR) - my next set of 15x7 1-piece forged wheels - for auto-X only. 11lbs each. Will be very proud of myself once I get them.
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Old Mar 27, 2004
  #43  
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Originally posted by 02civic
what bout 195/60/14 Azenis? not legal in your class?
They are legal however, they...1 Dont give any better gearing over the 205/50-15, and 2, the 205 Azenis actually has a cross section of 218(as measured by me and my friend on a 15X7 wheel), so they are much wider then the 195.
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Old Mar 27, 2004
  #44  
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Originally posted by 02civic
saw on a tuner show that they dyno'd a RSX-S for base numbers..then proceeded with mods....they added big brakes and then did exhaust. they dyno'd it after the install and found they had lost power (7hp). thinking it was cause the exhaust was hurting performance somehow they went back to stock and dyno'd again and that showed a 12hp loss from the original run. so the exhaust was actually helping them to not loose 5 hp.
turns out what did it was the bigger breaks which weighed the same as stock were causing the loss because the mass was farther from center of the wheel.

Same issue with Big wheels, even if they weigh less..... Ya cant break the laws of Physics.
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Old Mar 28, 2004
  #45  
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yo, can someone explain to me about the "law of physics" that has just been discussed?

hm...im planning to get a set of 15"

anybody got any suggestion of 15", 15x7 wheels which really light?

hm, stock's 03-04's very interesting for me...any suggestion?

OH, actually...is it good to move the "used" tires from my stock wheels to the new one?

i just used these tires for 900 miles...however, they'r "used" (inflated) on the old wheels...is it good to move it to the new wheels?
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Old Mar 28, 2004
  #46  
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Essenially it deals with Leavers. Remember that back in science class, how the longer the leaver the less engergy you needed to use to move a heavy object. well when it comes to spinning objects were the force is being applied from the center of that object, then the effect is the opposite. the longer the Leaver (wheel size) the more force that will be needed to get it to spin/move even if the weight of that object remains the same.


You should have no problems with moving a "used" tire on to a new wheel. as long as its designed to fit that size wheel, as in a 17" tire goes on a 17" wheel and a 15" tire goes on a 15" wheel.
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Old Mar 28, 2004
  #47  
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Originally posted by zen_master
yo, can someone explain to me about the "law of physics" that has just been discussed?

hm...im planning to get a set of 15"

anybody got any suggestion of 15", 15x7 wheels which really light?

hm, stock's 03-04's very interesting for me...any suggestion?

OH, actually...is it good to move the "used" tires from my stock wheels to the new one?

i just used these tires for 900 miles...however, they'r "used" (inflated) on the old wheels...is it good to move it to the new wheels?
Search google or a text book for "Mass Moment of Inertia"
The farther a weight is from its center of rotation, the harder it is to turn. You might also have some luck with searching "inertia" or "physics" in this forum... some very good explainations have been posted.
The other thing I'm going go say is "really light" typically goes with "really expensive".... so how much you got to drop?
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Old Mar 28, 2004
  #48  
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http://www.7thgencivic.com/forums/se...der=descending
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Old Mar 28, 2004
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i had 17s and then i went to 18s!! big difference n acceleration
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Old Mar 28, 2004
  #50  
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very interesting!

thanx guys!

hm....as for the price...i think my budget is within stock alloy wheel..

im very interested in buying the stock 03-04 wheels...cos' i like em...
i also like the stock '00SI, however....i'm getting bored with em....

hm......whaddya guys think about that stocj 03-04 wheels? u gotta think that they are "so-so-lah," right?
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